Abstract
The paper presents the implementation of the symmetric cryptography in the distributed measurement system. Motivation for increasing the security in such systems is presented. Next, fundamentals of cryptography from the measuring systems’ point of view are introduced. The role and structure of embedded systems in modern distributed environments is explained. As the example of presented problems, implementation of the AES algorithm on the Compact RIO module is presented and tested for both efficiency and accuracy. The paper is supplemented with conclusions and future prospects of the approach.
Highlights
Importance of contemporary computer-based measurement systems steadily increases with their new applications
The multithreaded operation is slower and as long as only one processor with a single core is installed in the device, imposing parallel computations is not recommended
The FPGA implementation of the Advanced Encryption System (AES) encryption and decryption is faster than the processor version and can be used to immediately process the acquired samples from the I/O modules
Summary
Importance of contemporary computer-based measurement systems steadily increases with their new applications. Industry and societyoriented installations (healthcare, power plants or water distribution) widely use computer devices to monitor and control processes of critical importance for large groups of citizens. The Distributed Measuring System (DMS) may become the target for terrorists to maximize casualties among civilians by, for example, damaging the nuclear plant or poisoning the water supply. Creating reliable and safe systems becomes more important [1]. This includes protecting data in conditions of the possible unauthorized access to the infrastructure [2]
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